#xor CTF challenges

41 CTF challenges using xor from 32 CTFs (2019–2026), 41 with writeups. Mostly Reverse (59%) and Crypto (39%).

Reverse · 24 Crypto · 16 Misc · 1

Often combined with

#reversing 7 #windows-reversing 3 #repeating-key 3 #python-obfuscation 2 #solidity-smart-contract-reversing 1 #modular-arithmetic 1 #linear-congruence-recovery 1 #qr-code 1 #ptrace-anti-debug 1 #known-plaintext 1 #ipc-postmessage 1 #inter-process-code-injection 1 #per-substring-check 1 #byte-assembly 1 #seeded-prng 1

Challenges

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